diff options
Diffstat (limited to 'progs/glsl/multitex.c')
| -rw-r--r-- | progs/glsl/multitex.c | 67 |
1 files changed, 35 insertions, 32 deletions
diff --git a/progs/glsl/multitex.c b/progs/glsl/multitex.c index 1a1c63aaf4..bf46fd5210 100644 --- a/progs/glsl/multitex.c +++ b/progs/glsl/multitex.c @@ -28,9 +28,9 @@ #include <stdio.h> #include <stdlib.h> #include <string.h> +#include <GL/glew.h> #include "GL/glut.h" #include "readtex.h" -#include "extfuncs.h" #include "shaderutil.h" static const char *Demo = "multitex"; @@ -59,8 +59,8 @@ static GLint VertCoord_attr = -1, TexCoord0_attr = -1, TexCoord1_attr = -1; /* value[0] = tex unit */ static struct uniform_info Uniforms[] = { - { "tex1", 1, GL_INT, { 0, 0, 0, 0 }, -1 }, - { "tex2", 1, GL_INT, { 1, 0, 0, 0 }, -1 }, + { "tex1", 1, GL_SAMPLER_2D, { 0, 0, 0, 0 }, -1 }, + { "tex2", 1, GL_SAMPLER_2D, { 1, 0, 0, 0 }, -1 }, END_OF_UNIFORMS }; @@ -82,10 +82,10 @@ static const GLfloat VertCoords[4][2] = { static void SetupVertexBuffer(void) { - glGenBuffersARB_func(1, &VBO); - glBindBufferARB_func(GL_ARRAY_BUFFER_ARB, VBO); + glGenBuffersARB(1, &VBO); + glBindBufferARB(GL_ARRAY_BUFFER_ARB, VBO); - glBufferDataARB_func(GL_ARRAY_BUFFER_ARB, + glBufferDataARB(GL_ARRAY_BUFFER_ARB, sizeof(VertCoords) + sizeof(Tex0Coords) + sizeof(Tex1Coords), @@ -94,23 +94,23 @@ SetupVertexBuffer(void) /* non-interleaved vertex arrays */ - glBufferSubDataARB_func(GL_ARRAY_BUFFER_ARB, + glBufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, /* offset */ sizeof(VertCoords), /* size */ VertCoords); /* data */ - glBufferSubDataARB_func(GL_ARRAY_BUFFER_ARB, + glBufferSubDataARB(GL_ARRAY_BUFFER_ARB, sizeof(VertCoords), /* offset */ sizeof(Tex0Coords), /* size */ Tex0Coords); /* data */ - glBufferSubDataARB_func(GL_ARRAY_BUFFER_ARB, + glBufferSubDataARB(GL_ARRAY_BUFFER_ARB, sizeof(VertCoords) + sizeof(Tex0Coords), /* offset */ sizeof(Tex1Coords), /* size */ Tex1Coords); /* data */ - glBindBufferARB_func(GL_ARRAY_BUFFER_ARB, 0); + glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0); } @@ -120,39 +120,39 @@ DrawPolygonArray(void) void *vertPtr, *tex0Ptr, *tex1Ptr; if (UseVBO) { - glBindBufferARB_func(GL_ARRAY_BUFFER_ARB, VBO); + glBindBufferARB(GL_ARRAY_BUFFER_ARB, VBO); vertPtr = (void *) 0; tex0Ptr = (void *) sizeof(VertCoords); tex1Ptr = (void *) (sizeof(VertCoords) + sizeof(Tex0Coords)); } else { - glBindBufferARB_func(GL_ARRAY_BUFFER_ARB, 0); + glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0); vertPtr = VertCoords; tex0Ptr = Tex0Coords; tex1Ptr = Tex1Coords; } if (VertCoord_attr >= 0) { - glVertexAttribPointer_func(VertCoord_attr, 2, GL_FLOAT, GL_FALSE, + glVertexAttribPointer(VertCoord_attr, 2, GL_FLOAT, GL_FALSE, 0, vertPtr); - glEnableVertexAttribArray_func(VertCoord_attr); + glEnableVertexAttribArray(VertCoord_attr); } else { glVertexPointer(2, GL_FLOAT, 0, vertPtr); - glEnable(GL_VERTEX_ARRAY); + glEnableClientState(GL_VERTEX_ARRAY); } - glVertexAttribPointer_func(TexCoord0_attr, 2, GL_FLOAT, GL_FALSE, + glVertexAttribPointer(TexCoord0_attr, 2, GL_FLOAT, GL_FALSE, 0, tex0Ptr); - glEnableVertexAttribArray_func(TexCoord0_attr); + glEnableVertexAttribArray(TexCoord0_attr); - glVertexAttribPointer_func(TexCoord1_attr, 2, GL_FLOAT, GL_FALSE, + glVertexAttribPointer(TexCoord1_attr, 2, GL_FLOAT, GL_FALSE, 0, tex1Ptr); - glEnableVertexAttribArray_func(TexCoord1_attr); + glEnableVertexAttribArray(TexCoord1_attr); glDrawArrays(GL_TRIANGLE_FAN, 0, 4); - glBindBufferARB_func(GL_ARRAY_BUFFER_ARB, 0); + glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0); } @@ -164,11 +164,11 @@ DrawPolygonVert(void) glBegin(GL_TRIANGLE_FAN); for (i = 0; i < 4; i++) { - glVertexAttrib2fv_func(TexCoord0_attr, Tex0Coords[i]); - glVertexAttrib2fv_func(TexCoord1_attr, Tex1Coords[i]); + glVertexAttrib2fv(TexCoord0_attr, Tex0Coords[i]); + glVertexAttrib2fv(TexCoord1_attr, Tex1Coords[i]); if (VertCoord_attr >= 0) - glVertexAttrib2fv_func(VertCoord_attr, VertCoords[i]); + glVertexAttrib2fv(VertCoord_attr, VertCoords[i]); else glVertex2fv(VertCoords[i]); } @@ -326,27 +326,30 @@ CreateProgram(const char *vertProgFile, const char *fragProgFile, assert(vertShader); program = LinkShaders(vertShader, fragShader); - glUseProgram_func(program); + glUseProgram(program); - InitUniforms(program, uniforms); + SetUniformValues(program, uniforms); + PrintUniforms(Uniforms); - VertCoord_attr = glGetAttribLocation_func(program, "VertCoord"); + assert(ValidateShaderProgram(program)); + + VertCoord_attr = glGetAttribLocation(program, "VertCoord"); if (VertCoord_attr > 0) { /* We want the VertCoord attrib to have position zero so that * the call to glVertexAttrib(0, xyz) triggers vertex processing. * Otherwise, if TexCoord0 or TexCoord1 gets position 0 we'd have * to set that attribute last (which is a PITA to manage). */ - glBindAttribLocation_func(program, 0, "VertCoord"); + glBindAttribLocation(program, 0, "VertCoord"); /* re-link */ - glLinkProgram_func(program); + glLinkProgram(program); /* VertCoord_attr should be zero now */ - VertCoord_attr = glGetAttribLocation_func(program, "VertCoord"); + VertCoord_attr = glGetAttribLocation(program, "VertCoord"); assert(VertCoord_attr == 0); } - TexCoord0_attr = glGetAttribLocation_func(program, "TexCoord0"); - TexCoord1_attr = glGetAttribLocation_func(program, "TexCoord1"); + TexCoord0_attr = glGetAttribLocation(program, "TexCoord0"); + TexCoord1_attr = glGetAttribLocation(program, "TexCoord1"); printf("TexCoord0_attr = %d\n", TexCoord0_attr); printf("TexCoord1_attr = %d\n", TexCoord1_attr); @@ -379,7 +382,6 @@ InitGL(void) printf(" z/Z - change viewing distance\n"); printf(" SPACE - toggle animation\n"); printf(" Esc - exit\n"); - GetExtensionFuncs(); InitTextures(); InitPrograms(); @@ -400,6 +402,7 @@ main(int argc, char *argv[]) glutInitWindowSize(500, 400); glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE); glutCreateWindow(Demo); + glewInit(); glutReshapeFunc(Reshape); glutKeyboardFunc(key); glutSpecialFunc(specialkey); |